In the Velvet bag: 18 pcs nose studs and 12pcs nose rings , Detailed size: Gauge: 20G(0.8mm); Bar Length:7mm; Ball:3/2mm; Diameter of Rings: 8mm; For all of the piercing jewelry, kindly checking the size and thickness we writing here and choosing the best suitable size and item for yourself. , Material: made with piercing-safe 316L surgical steel; Hypoallergenic, nickel-free and lead-free; Highly polished smooth surface; Corrosion resistant; Strong and don't fade. Delicate size and lasting-glaring. Serious crafts, passing QC checking. , Shining and eye-catching piercing jewellery will be daily use and a good gift. Doing our best to design, develop piercing jewelry that we love and follow the trend, simple but not lose the classic. , Daily maintenance: Extremely easy to clean, just wipe them with soft cloth, and put it in a tissue or a soft cloth. Kindly remind alcohol disinfection for this stainless steel piercing jewelry will be ok. Promise 90-day exchange or money back guarantee. Hope this piercing jewelry can make your day!